kJams – Karaoke program which supports encoding (or re-encoding) of any audio type to Ogg Vorbis, enables editing of comments with the VCEdit Framework, requires 10.3 and the XiphQT package. More Info.

Other

free software

Nintendo DS: **MoonShell 1.71 is a homebrew media player for the Nintendo DS. It can play Ogg Vorbis. It has two Vorbis decoders (both using Tremor), a “high accuracy” one limited to 128kbps average, and a “normal accuracy” one that can use higher bitrates, the default being the normal one.

DSOrganize transforms the Nintendo DS into a PDA capable of playing Ogg Vorbis audio.

Xbox: the Xbox Media Center is an open source project that transforms a modded Xbox with Linux into a media center and streaming client.

Rockbox: A replacement firmware developed for various digital audio players such as the Ipod, various Archos players, and more. It uses the Tremor library to implement Ogg Vorbis playback.

proprietary software

GamePark32: the GP32, an arm9tdmi portable console with much hackability (gcc3 toolchain, expandable memory), has several Vorbis players available.